CN201661483U - Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump - Google Patents
Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump Download PDFInfo
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- CN201661483U CN201661483U CN2009202840287U CN200920284028U CN201661483U CN 201661483 U CN201661483 U CN 201661483U CN 2009202840287 U CN2009202840287 U CN 2009202840287U CN 200920284028 U CN200920284028 U CN 200920284028U CN 201661483 U CN201661483 U CN 201661483U
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Abstract
The utility model relates to a fluid machine, in particular to a variable-frequency high-speed direct-drive liquid-cooling type magnetic pump with no sealing, no leakage, no pollution, low noise, low flow and high lift, which can solve the problem of shaft sealing leakage of a mechanical transmission pump thoroughly. The variable-frequency high-speed direct-drive liquid-cooling type magnetic pump adopts a variable-frequency liquid-cooling motor to directly drive an outer magnetic rotor, magnetic force penetrates through an isolating sleeve and acts on an inner magnetic rotor to lead the inner magnetic rotor to rotate, and the inner magnetic rotor has no shaft sealing. The isolating sleeve and a pump shaft form a static body, an impeller and inner magnetic steel are integrated so as to form a rotor piece, a special bearing structure is adopted, and an outer magnetic rotor is directly connected with a motor shaft and is locked by a thrust ring. Compared with the common magnetic pump, the variable-frequency high-speed direct-drive liquid-cooling type magnetic pump omits parts such as a bracket, a rolling bearing, oil seal and the like. The motor is a fully-sealed structure, a shell is provided with a cooling liquid sleeve, and a part of working medium is induced from an outlet of a pump body, and is introduced into a cooling sleeve cooling motor by a cooling pipe.
Description
Technical field
The utility model relates to fluid machinery, refer in particular to frequency-conversion high-speed and directly drive the liquid-cooling type magnetic drive pump, be to reveal nothing sealing, the nothing leakage, pollution-free that designs for thorough solution mechanical transmission pump shaft envelope, low noise, small flow, high-lift infant industry pump are applicable to special dimensions such as boats and ships, aviation, nuclear power, chemical industry.
Background technique
Magnetic drive pump drives outer magnet rotor by variable-frequency motor, and by the permanent-magnet effect, magnetic force passes through separation sleeve, and magnet rotor rotates in driving, thereby reaches the non contact transmission of moment.In specific occasions such as boats and ships, require the pump assembly volume little, do not have to reveal, low noise, also to have small flow, high-lift performance simultaneously.And existing magnetic drive pump is difficult to realize." design of 75kW magnetic drive pump and development " (" pump technology ", the IMH125-100-250 of Shandong Yantai Water Pump Factory type magnetic drive pump (75kW) is disclosed 1996), adopted for the 4th generation the magnetic coupling of ' combination is drawn and pushed away magnetic circuit ' design, has magnetic energy transmission efficiency height, characteristics such as transmitting torque is big, but the power of the assembling unit is little, and rotating speed is low.Disclose the 200kW magnetic drive pump of Hangzhou Road Industry Co., Ltd's development in " 200kW leak-free high temperature magnetic drive pump is succeeded in developing " (" petrochemical equipment technology ", 2007), have the high-power advantage such as big of flow, but the pump assembly volume has been big.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the problem that common magnetic drive pump volume is big, performance is low, air-cooled noise is big, provide directly drive, the magnetic drive pump of technology such as liquid cooling, frequency conversion, the utility model pump group volume is little, and running noises is low, has the performance of low-flow high-lift.
The utility model solves the scheme that its technical problem adopts:
Motor in the utility model magnetic drive pump adopts the frequency conversion fluid-cooled electrical machine, adopts variable-frequency motor to improve rotating speed, and then improves the specific speed of magnetic drive pump; Because during the variable-frequency motor high speed operation, the magnetic drive pump spring bearing is technological difficulties, the utility model adopts special axle sleeve structure to overcome this difficult point, here special axle sleeve structure is to increase radially projective structure of a loop at the axle sleeve mouth, rotor element is carried out axially locating, the axial vibration of restrict rotor part.
The utility model separation sleeve directly is connected with pump shaft, and integral body processes, and constitutes static element, and on axle the axle sleeve that has the axially locating function is installed.Impeller and interior magnet rotor are an integral body, and bearing is embedded in interior magnet rotor the inside, constitute rotor element, thereby reach the effect that reduces the magnetic drive pump volume.
The utility model is by the pump housing, axle sleeve, impeller, separation sleeve, outer magnet rotor, interior magnet rotor, bearing, motor is formed, motor adopts the frequency conversion fluid-cooled electrical machine, and frequency conversion fluid-cooled electrical machine shell is provided with cooling jacket, and the cooling jacket upper end connects the cooling water inlet pipe, and the other end of cooling water inlet pipe is connected to pump discharge; The cooling jacket lower end connects the cooling outlet pipe, and the other end of cooling outlet pipe is connected to pump intake; Described axle sleeve mouth increases radially projective structure of a loop; Described separation sleeve directly is connected with pump shaft, is an integral body, constitutes static element; Described impeller and interior magnet rotor are an integral body, and bearing is embedded in interior magnet rotor the inside, constitute rotor element.
The utility model is designed to the cooling jacket structure with variable-frequency motor shell, utilizes the liquid of carrying to improve the existing excessive shortcoming of the air-cooled noise of magnetic drive pump as the motor cooling medium.The cooling water inlet pipe is provided with inlet valve, and the cooling outlet pipe sets out water valve.In case just there is liquid to pass through motor cooling jacket cooling motor, good reliability during pump startup.
Performance such as that the beneficial effects of the utility model are that magnetic drive pump has is high-lift, volume is little, noise is little is applicable to some special occasions fully.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Fig. 2 axle sleeve structure structural drawing.
Fig. 3 separation sleeve and pump shaft structural drawing.
Fig. 4 rotor structure figure.
Among the figure, 1, the pump housing; 2, pump intake; 3, axle sleeve; 4, pump discharge; 5, impeller; 6, separation sleeve; 7, outer magnet rotor; 8, interior magnet rotor; 9, bearing; 10, shaft extension; 11, inlet valve; 12, the cooling water inlet pipe; 13, fluid-cooled electrical machine; 14, outlet valve; 15, cooling jacket; 16, the cooling outlet pipe; 17, pump shaft.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
In the drawings, frequency-conversion high-speed directly drives the liquid-cooling type magnetic drive pump by the pump housing 1, axle sleeve 3, impeller 5, separation sleeve 6, outer magnet rotor 7, interior magnet rotor 8, bearing 9, fluid-cooled electrical machine 13 parts are formed, it is characterized in that motor adopts frequency conversion fluid-cooled electrical machine 13 to improve rotating speed, axle sleeve increases radially projective structure of a loop for 3 mouthfuls; Separation sleeve 6 directly is connected with pump shaft 17, and integral body processes, and constitutes static element; Impeller 5 and interior magnet rotor 8 are an integral body, and bearing 9 is embedded in interior magnet rotor 8 the insides, constitute rotor element; Fluid-cooled electrical machine 13 shells are provided with cooling jacket 15, and cooling jacket 15 upper ends connect cooling water inlet pipe 12, and the other end of cooling water inlet pipe 12 is connected to pump discharge 4; Cooling jacket 15 lower ends connect cooling outlet pipe 16, and the other end of cooling outlet pipe 16 is connected to pump intake 2.Cooling water inlet pipe 12 is provided with inlet valve 11, and cooling outlet pipe 16 sets out water valve 14.
Embodiment is to adopt a frequency-conversion high-speed fluid-cooled electrical machine 13, and the motor housing body is provided with cooling jacket 15, and cooling water inlet pipe 12 is set, and draws the working medium of a part of pump from pump discharge 4, is incorporated into motor cooling jacket 15, so that cooling motor 13.Cooling outlet pipe 16 is set again, is incorporated into pump intake 2 from the upper end of motor cooling jacket 15.Cooling water inlet pipe 12 and cooling outlet pipe 16 are furnished with inlet valve 11 and outlet valve 14 respectively, may command cooling flow.Outer magnet rotor 7 directly is connected with motor shaft 9, and lock with thrust ring.Separation sleeve 6 and pump shaft 17 are constituted a meront, and axle sleeve 3 is installed on axle is carried out axially and axially locating, impeller 5 and interior magnet rotor 8 are an integral body, and bearing 9 is embedded in interior magnet rotor 8 the insides formation rotor element, to reduce the machine packet size.Frequency conversion fluid-cooled electrical machine 13 directly drives outer magnet rotor 7 like this, and magnetic force passes through separation sleeve 6, magnet rotor 8 in acting on, and then impeller 5 high speed rotating.
Claims (2)
1. frequency-conversion high-speed directly drives the liquid-cooling type magnetic drive pump, by the pump housing (1), and axle sleeve (3), impeller (5), separation sleeve (6), outer magnet rotor (7), interior magnet rotor (8), bearing (9), motor is formed, and it is characterized in that, described motor adopts frequency conversion fluid-cooled electrical machine (13), described frequency conversion fluid-cooled electrical machine (13) shell is provided with cooling jacket (15), and cooling jacket (15) upper end connects cooling water inlet pipe (12), and the other end of cooling water inlet pipe (12) is connected to pump discharge (4); Cooling jacket (15) lower end connects cooling outlet pipe (16), and the other end of cooling outlet pipe (16) is connected to pump intake (2); Described axle sleeve (3) mouthful increase by one loop is projective structure radially; Described separation sleeve (6) directly is connected with pump shaft (17), is an integral body, constitutes static element; Described impeller (5) and interior magnet rotor (8) are an integral body, and bearing (9) is embedded in interior magnet rotor (8) the inside, constitute rotor element.
2. frequency-conversion high-speed according to claim 1 directly drives the liquid-cooling type magnetic drive pump, it is characterized in that, inlet valve (11) is set on the described cooling water inlet pipe (12), sets out water valve (14) on the described cooling outlet pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202840287U CN201661483U (en) | 2009-12-10 | 2009-12-10 | Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202840287U CN201661483U (en) | 2009-12-10 | 2009-12-10 | Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661483U true CN201661483U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202840287U Expired - Fee Related CN201661483U (en) | 2009-12-10 | 2009-12-10 | Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661483U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143530A (en) * | 2017-07-10 | 2017-09-08 | 福建闽东电机股份有限公司 | One kind spin ring cooling electric pump |
| CN108150446A (en) * | 2018-02-05 | 2018-06-12 | 成都弗格森液压机电有限公司 | A kind of aviation joins driving structure and motor pump group with magnetic |
| CN113153763A (en) * | 2021-04-30 | 2021-07-23 | 福建省福安市力德泵业有限公司 | Magnetic pump under low-temperature vacuum environment |
| US20230016305A1 (en) * | 2021-07-16 | 2023-01-19 | Hunan Neptune Pump Co.Ltd. | Permanent magnet leakage-free low-temperature pump |
| CN115853822A (en) * | 2022-12-26 | 2023-03-28 | 江苏大学 | Magnetic drive pump integration rotor and magnetic drive pump |
-
2009
- 2009-12-10 CN CN2009202840287U patent/CN201661483U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143530A (en) * | 2017-07-10 | 2017-09-08 | 福建闽东电机股份有限公司 | One kind spin ring cooling electric pump |
| CN108150446A (en) * | 2018-02-05 | 2018-06-12 | 成都弗格森液压机电有限公司 | A kind of aviation joins driving structure and motor pump group with magnetic |
| CN113153763A (en) * | 2021-04-30 | 2021-07-23 | 福建省福安市力德泵业有限公司 | Magnetic pump under low-temperature vacuum environment |
| US20230016305A1 (en) * | 2021-07-16 | 2023-01-19 | Hunan Neptune Pump Co.Ltd. | Permanent magnet leakage-free low-temperature pump |
| US11828298B2 (en) * | 2021-07-16 | 2023-11-28 | Hunan Neptune Pump Co. Ltd | Permanent magnet leakage-free low-temperature pump |
| CN115853822A (en) * | 2022-12-26 | 2023-03-28 | 江苏大学 | Magnetic drive pump integration rotor and magnetic drive pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20111210 |